Alnylam Pharmaceuticals, Inc.
ALNY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001178670
No open-market purchases or sales by Alnylam Pharmaceuticals, Inc. insiders were filed in the last 90 days; 794 institutions reported holding it in 13F filings for Q2 2026, worth $40.1B in total; no superinvestor holds it.
13F holders, Q3 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 454
- −15 vs. Q2 2023
- Shares held
- 117.8M
- +10.8K (0.0%) vs. Q2 2023
- Total value
- $20.9B
- −$1.52B (−6.8%) vs. Q2 2023
- New holders
- 43
- 161 more added
- Sold out
- 58
- 165 more reduced
8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALNY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 794 | $40.1B |
| Q1 2026 | 793 | $43.4B |
| Q4 2025 | 852 | $52.7B |
| Q3 2025 | 823 | $59.2B |
| Q2 2025 | 653 | $43.1B |
| Q1 2025 | 625 | $34.8B |
| Q4 2024 | 594 | $30.1B |
| Q3 2024 | 569 | $34.1B |
| Q2 2024 | 525 | $29.1B |
| Q1 2024 | 499 | $17.2B |
| Q4 2023 | 501 | $22.4B |
| Q3 2023 | 454 | $20.9B |
| Q2 2023 | 477 | $22.5B |
| Q1 2023 | 478 | $24.0B |
| Q4 2022 | 489 | $28.4B |
| Q3 2022 | 497 | $26.7B |
| Q2 2022 | 424 | $16.6B |
| Q1 2022 | 443 | $18.6B |
| Q4 2021 | 435 | $19.0B |
| Q3 2021 | 407 | $21.1B |
| Q2 2021 | 401 | $19.0B |
| Q1 2021 | 391 | $15.4B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| California Public Employees Retirement System | 227,830 | $40.3M | 0.03% | +1,551+0.7% | Added |
| First Trust Advisors LP | 233,490 | $41.4M | 0.05% | −42,886−15.5% | Reduced |
| Polar Capital Holdings Plc | 235,000 | $41.6M | 0.31% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 237,634 | $42.1M | 0.20% | +70,011+41.8% | Added |
| Royal Bank of Canada | 244,106 | $43.2M | 0.01% | −2,116−0.9% | Reduced |
| Dimensional Fund Advisors LP | 251,911 | $44.6M | 0.01% | +10,921+4.5% | Added |
| Eagle Asset Management Inc | 262,680 | $46.5M | 0.28% | +3,725+1.4% | Added |
| Wells Fargo & Company | 265,735 | $47.1M | 0.01% | +6,705+2.6% | Added |
| CI Private Wealth, LLC | 273,117 | $48.4M | 0.11% | +588+0.2% | Added |
| Rock Springs Capital Management LP | 279,500 | $49.5M | 1.33% | −65,500−19.0% | Reduced |
| Janus Henderson Group PLC | 293,490 | $52.0M | 0.03% | +1,651+0.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 296,700 | $52.5M | 0.04% | −1,929−0.6% | Reduced |
| Royal London Asset Management Ltd | 306,595 | $54.3M | 0.18% | +142,357+86.7% | Added |
| Goldman Sachs Group Inc | 312,045 | $55.3M | 0.01% | +56,152+21.9% | Added |
| Candriam Luxembourg S.C.A. | 328,894 | $58.2M | 0.48% | +10,000+3.1% | Added |
| Bank of America Corp | 351,153 | $62.2M | 0.01% | −1,190−0.3% | Reduced |
| Manufacturers Life Insurance Company, The | 355,863 | $63.0M | 0.04% | +29,209+8.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 386,672 | $68.5M | 0.17% | −6,769−1.7% | Reduced |
| Swiss National Bank | 400,600 | $70.9M | 0.06% | −47,000−10.5% | Reduced |
| Charles Schwab Investment Management Inc | 418,980 | $74.2M | 0.02% | +2,836+0.7% | Added |
| American Century Companies Inc | 442,743 | $78.4M | 0.06% | +3,872+0.9% | Added |
| Deutsche Bank AG | 462,856 | $82.0M | 0.05% | −24,020−4.9% | Reduced |
| TD Asset Management Inc | 495,364 | $87.7M | 0.11% | +136,283+38.0% | Added |
| Alliancebernstein L.P. | 540,706 | $95.8M | 0.04% | −9,573−1.7% | Reduced |
| Nuveen Asset Management, LLC | 546,458 | $96.8M | 0.03% | −6,221−1.1% | Reduced |
| Amundi | 614,359 | $103.3M | 0.05% | −60,409−9.0% | Reduced |
| Gilder Gagnon Howe & Co LLC | 594,979 | $105.4M | 1.60% | −3,717−0.6% | Reduced |
| Loomis Sayles & Co L P | 625,401 | $110.8M | 0.19% | −19,742−3.1% | Reduced |
| Massachusetts Financial Services Co | 688,228 | $121.9M | 0.04% | +15,831+2.4% | Added |
| Ameriprise Financial Inc | 706,200 | $125.1M | 0.04% | +80,862+12.9% | Added |
| UBS Asset Management Americas Inc | 774,476 | $137.2M | 0.06% | +100,598+14.9% | Added |
| Pictet Asset Management Holding SA | 790,755 | $140.0M | 0.17% | +790,755 | New |
| Legal & General Group Plc | 794,671 | $140.7M | 0.05% | −3,718−0.5% | Reduced |
| Northern Trust Corp | 797,700 | $141.3M | 0.03% | +25,230+3.3% | Added |
| Bank of New York Mellon Corp | 837,084 | $148.2M | 0.03% | +61,488+7.9% | Added |
| Bellevue Group AG | 894,345 | $158.4M | 2.55% | −5,305−0.6% | Reduced |
| Avoro Capital Advisors LLC | 1,011,111 | $179.1M | 2.79% | −93,889−8.5% | Reduced |
| Norges Bank | 1,193,566 | $211.4M | 0.04% | +490,212+69.7% | Added |
| Morgan Stanley | 1,209,383 | $214.2M | 0.02% | −671,423−35.7% | Reduced |
| RTW Investments, LP | 1,683,362 | $298.1M | 6.29% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,839,505 | $325.3M | 0.04% | +37,483+2.1% | Added |
| Capital Research Global Investors | 2,783,843 | $493.0M | 0.14% | +429,082+18.2% | Added |
| State Street Corp | 2,899,513 | $513.5M | 0.03% | +7,266+0.3% | Added |
| JPMorgan Chase & Co | 3,086,846 | $546.7M | 0.06% | −46,128−1.5% | Reduced |
| Capital International Investors | 3,097,843 | $548.6M | 0.14% | +217,200+7.5% | Added |
| T. Rowe Price Investment Management, Inc. | 3,398,859 | $601.9M | 0.43% | +161,235+5.0% | Added |
| Dodge & Cox | 3,747,155 | $663.6M | 0.45% | −42,370−1.1% | Reduced |
| Price T Rowe Associates Inc | 3,925,004 | $695.1M | 0.10% | +39,468+1.0% | Added |
| Wellington Management Group LLP | 6,431,814 | $1.14B | 0.23% | +364,021+6.0% | Added |
| Baillie Gifford & Co | 8,163,139 | $1.45B | 1.32% | −229,077−2.7% | Reduced |
| BlackRock Inc. | 8,393,004 | $1.49B | 0.04% | +6,842+0.1% | Added |
| FMR LLC | 11,281,406 | $2.00B | 0.17% | −1,211,094−9.7% | Reduced |
| Vanguard Group Inc | 11,656,831 | $2.06B | 0.05% | +30,608+0.3% | Added |
| Capital World Investors | 16,529,308 | $2.93B | 0.58% | +31,757+0.2% | Added |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −90,351−100.0% | Sold out |
| Clearbridge Investments, LLC | 0 | $0 | 0.00% | −83,185−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −52,000−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −40,287−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −29,563−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −29,506−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −26,604−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −11,085−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −8,439−100.0% | Sold out |
| Sivik Global Healthcare LLC | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −6,295−100.0% | Sold out |
| Chartwell Investment Partners, LLC | 0 | $0 | 0.00% | −6,174−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −5,286−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,111−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −4,489−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −4,060−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −4,056−100.0% | Sold out |
| Howland Capital Management LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −3,763−100.0% | Sold out |
| Western Financial Corp | 0 | $0 | 0.00% | −3,630−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −2,797−100.0% | Sold out |
| Azzad Asset Management Inc | 0 | $0 | 0.00% | −2,725−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −2,037−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| E. Ohman J:or Asset Management AB | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −1,872−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −1,808−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −1,572−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −1,507−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −1,490−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −1,334−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −1,324−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −1,279−100.0% | Sold out |
| Meridian Financial, LLC | 0 | $0 | 0.00% | −1,234−100.0% | Sold out |
| Quintet Private Bank (Europe) S.A. | 0 | $0 | 0.00% | −1,217−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −1,144−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −1,062−100.0% | Sold out |
| SlateStone Wealth, LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Fort Sheridan Advisors LLC | 0 | $0 | 0.00% | −1,078−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −1,040−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −699−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −279−100.0% | Sold out |
| Bartlett & Co. LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Bartlett & Co. Wealth Management LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −67−100.0% | Sold out |